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Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
76°F
24°C
| Humidity | 64% |
| Wind Speed | S 8 mph |
| Barometer | 30.03 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 19 Sep 4:35 am CDT |
Extended Forecast for
2 Miles NNE Denison TX
Today
High: 100 °F
Hot
Tonight
Low: 77 °F
Mostly Clear
Sunday
High: 100 °F
Mostly Sunny
then Chance
T-stormsSunday Night
Low: 73 °F
Chance
T-stormsMonday
High: 94 °F
Chance
T-stormsMonday Night
Low: 70 °F
Partly Cloudy
Tuesday
High: 90 °F
Mostly Sunny
Tuesday Night
Low: 67 °F
Slight Chance
ShowersWednesday
High: 91 °F
Mostly Sunny
Detailed Forecast
Today
Sunny and hot, with a high near 100. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 106. South wind 5 to 10 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southeast wind around 5 mph becoming calm after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 70. North northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 90. North northeast wind around 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 67. North northeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 91. East northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 92.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles NNE Denison TX
33.78°N 96.55°W (Elev. 650 ft)
33.78°N 96.55°W (Elev. 650 ft)
1:26 am CDT Sep 19, 2026
4am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
